5305-01-630-1630 (68-01-4400AW)
5305-01-630-1630 is equivalent to manufacture part number 0.500-13UNC-2A X 4.000LG NICU. It is a hexagon head cap screw and is classified under Federal Supply Class 5305 (5305 - Screws), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5305 - Screws and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.